`nnbook.com`

DNSSEC	⚠️ Not signed
NS	`dns7.hichina.com` ⭐
		A	2408:4009:501::15^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns8.hichina.com`
		A	2408:4009:501::16^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns7.hichina.com`hostmaster@hichina.com 2026-02-25 #11

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776226022

Same first word

nnbook.net

nnbook.ru

nnbook.org

nnbook.com

Similar names

bnnook.net

booknn.com

konbon.de

konbon.com

bnnook.com

bnnook.tv

bonkon.net

booknn.ru

nbookn.com

DNS History

13 records (2 active, 11 former)

○NSdns10.hichina.com2015-09-04 → 2015-12-12 · 4 obs

● 2015-09-04 12:08:00
● 2015-12-12 16:13:56
○ 2016-06-05 21:11:24
○ 2026-04-15 04:11:18

○NSdns15.hichina.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-08-22 23:31:08
● 2017-06-21 04:07:20
○ 2019-12-12 16:38:14
○ 2026-04-15 04:11:18

○NSdns16.hichina.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-08-22 23:31:08
● 2017-06-21 04:07:20
○ 2019-12-12 16:38:14
○ 2026-04-15 04:11:18

●NSdns7.hichina.com2019-12-12 → 2026-04-15 · 3 obs

○ 2017-06-21 04:07:20
● 2019-12-12 16:38:14
● 2026-04-15 04:11:18

●NSdns8.hichina.com2019-12-12 → 2026-04-15 · 3 obs

○ 2017-06-21 04:07:20
● 2019-12-12 16:38:14
● 2026-04-15 04:11:18

○NSdns9.hichina.com2015-09-04 → 2015-12-12 · 4 obs

● 2015-09-04 12:08:00
● 2015-12-12 16:13:56
○ 2016-06-05 21:11:24
○ 2026-04-15 04:11:18

○NSns1.22.cn2016-06-05 → 2016-08-22 · 5 obs

○ 2015-12-12 16:13:56
● 2016-06-05 21:11:24
● 2016-08-22 23:31:08
○ 2017-06-21 04:07:20
○ 2026-04-15 04:11:18

○NSns2.22.cn2016-06-05 → 2016-08-22 · 5 obs

○ 2015-12-12 16:13:56
● 2016-06-05 21:11:24
● 2016-08-22 23:31:08
○ 2017-06-21 04:07:20
○ 2026-04-15 04:11:18

○NSns3.22.cn2016-06-05 → 2016-08-22 · 5 obs

○ 2015-12-12 16:13:56
● 2016-06-05 21:11:24
● 2016-08-22 23:31:08
○ 2017-06-21 04:07:20
○ 2026-04-15 04:11:18

○NSns4.22.cn2016-06-05 → 2016-08-22 · 5 obs

○ 2015-12-12 16:13:56
● 2016-06-05 21:11:24
● 2016-08-22 23:31:08
○ 2017-06-21 04:07:20
○ 2026-04-15 04:11:18

○A123.1.151.1092015-09-04 → 2017-06-21 · 7 obs

● 2015-09-04 12:08:00
● 2015-12-12 16:13:56
○ 2016-06-05 21:11:24
○ 2016-08-22 23:31:08
● 2017-06-21 04:07:20
○ 2019-12-12 16:38:14
○ 2026-04-15 04:11:18

○A173.208.164.2212016-06-05 → 2016-08-22 · 5 obs

○ 2015-12-12 16:13:56
● 2016-06-05 21:11:24
● 2016-08-22 23:31:08
○ 2017-06-21 04:07:20
○ 2026-04-15 04:11:18

○CNAMEoverdue.aliyun.com2019-12-12 → 2019-12-12 · 3 obs

● 2019-12-12 16:38:14
○ 2026-03-28 14:45:38
○ 2026-04-15 04:11:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
nnbook.com	dns7.hichina.com, dns8.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.44

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nnbook.com (unsigned zone)

⏱️ Timing

Total: 574ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns8.hichina.com, dns7.hichina.com`
SOA	1	`dns7.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns7.hichina.com, dns7.hichina.com, dns7.hichina.com...)

Analysis

Name Servers

nnbook.com's delegation is to two name servers dns7.hichina.com and dns8.hichina.com.

nnbook.com shares the same name server configuration as other domains, such as registryg.com, mindmapsoft.com, mindmobi.com, contron.com.cn and gaozhi.net.cn.

nnbook.com shares name servers with other domains at least partially, for instance vgokor.com, brox.cn and fasthome.cn.

Host names with nine IP numbers: dns7.hichina.com points to 2408:4009:501::15, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123; dns8.hichina.com points to 2408:4009:501::16, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

nnbook.com - robtex.com

nnbook.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`nnbook.com`

`com`